Home / 2,425.12-3,346.96-1,377.44

Finding the Fourth Proportional to 2,425.12, 3,346.96 and 1,377.44

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Solution

The fourth proportional to 2,425.12, 3,346.96 and 1,377.44 is: 1,901.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.12 : 3,346.96 = 1,377.44 : x
  2. Step 2: Convert to fraction form
    2,425.12/3,346.96 = 1,377.44/x
  3. Step 3: Cross multiply
    2,425.12x = 3,346.96 × 1,377.44
  4. Step 4: Simplify right side
    2,425.12x = 4,610,236.58
  5. Step 5: Solve for x
    x = 4,610,236.58/2,425.12
  6. Step 6: Final answer
    x = 1,901.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.